[commons] move common.time to omsignal-backend
[build] cleanup the build, remove useless stuff
[core, core-serialization] move core, core-serialization to omsignal-backend
[build] gitignore: ignore logs
[build] Upgrade most dependencies, and remove uneeded ones
[open] Remove ehcache and magic Spring AOP @Caching
[bootstrap] Qs Write API Module: make sure to use the same instance of the event store
[open] box-record api calls
[open] Rename OmsignalCommandsJsonProtocol to UserCommandsJsonProtocol, which better reflects the intent
[open.write] Re-shuffle of the classes and packages to make the space for administrative commands
[build] Remove dead code and useless dependency : com.fasterxml
[open.write] Add support for the Delete Administrative Command